update url template tags
Support for css class in actions and wildcard single action
Single action filtering
Remove header when not needed
Added back advreport.css

It is needed for the old advanced reports, which are heavily used by
the Financial Dashboard / Accounting Module.
Added success callback to view
Login as
Permission checking
Merge branch 'project/6188/helpdeskframework' of github.com:citylive/django-advanced-reports into project/6188/helpdeskframework-ui